Médiamétrie has just published its first audience survey of the season, and an initial analysis reveals mixed results. Firstly, radio has finally halted its decline, with a cumulative audience share of 65.3 per cent, representing a very slight increase of 0.2 percentage points year-on-year. This is modest, but certainly noteworthy for a medium that was said to be on the wane... Radio stations with a strong focus on…